This page summarises the information held within TEPCat for the transiting planetary system TOI-431b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021MNRAS.507.2782O | |
| Date of discovery paper | 2021 / 8 / 6 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 33 04.62 | h m s |
| Declination | −26 43 25.9 | d m s |
| Right ascension (decimal) | 83.26925 | degrees |
| Declination (decimal) | -26.72386 | degrees |
| V-band apparent magnitude | 9.12 | mag |
| K-band apparent magnitude | 6.72 | mag |
| Transit duration | 0.024 ( 0.58 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2458627.538 ± 0.003 | HJD or BJD |
| Orbital period | 0.490047 ± 0.000009 | days |
| Reference for orbital ephemeris | 2021MNRAS.507.2782O |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4850 ± 75 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.20 ± 0.05 | dex |
| Stellar mass | 0.78 ± 0.07 | Msun |
| Stellar radius | 0.731 ± 0.022 | Rsun |
| Stellar logarithmic surface gravity | 4.60 ± 0.06 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0113 +0.0002 −0.0003 | AU |
| Planetary mass | 0.0097 ± 0.0011 ( 3.08 ± 0.35 ) | Mjup Mearth |
| Planetary radius | 0.114 ± 0.004 ( 1.278 ± 0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 6.0 ± 0.8 ( 8.0 ± 1.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1862 ± 42 | K |
| Reference of detailed study | 2021MNRAS.507.2782O |
TOI-431b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/04/12 John Southworth (Keele University, UK)